1 files changed, 0 insertions, 85 deletions
diff --git a/adenosine-pds/src/ucan_p256.rs b/adenosine-pds/src/ucan_p256.rs
deleted file mode 100644
index b8b6cd2..0000000
--- a/adenosine-pds/src/ucan_p256.rs
+++ /dev/null
@@ -1,85 +0,0 @@
-/// Implement UCAN KeyMaterial trait for p256
-///
-/// This is needed because the 'ucan-key-support' crate does not include support for this key type.
-use anyhow::{anyhow, Result};
-use async_trait::async_trait;
-
-use p256::ecdsa::signature::{Signer, Verifier};
-use p256::ecdsa::{Signature, SigningKey as P256PrivateKey, VerifyingKey as P256PublicKey};
-
-use ucan::crypto::KeyMaterial;
-
-pub use ucan::crypto::{did::P256_MAGIC_BYTES, JwtSignatureAlgorithm};
-
-#[derive(Clone)]
-pub struct P256KeyMaterial(pub P256PublicKey, pub Option<P256PrivateKey>);
-
-#[cfg_attr(target_arch="wasm32", async_trait(?Send))]
-#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
-impl KeyMaterial for P256KeyMaterial {
-    fn get_jwt_algorithm_name(&self) -> String {
-        JwtSignatureAlgorithm::ES256.to_string()
-    }
-
-    async fn get_did(&self) -> Result<String> {
-        let bytes = [P256_MAGIC_BYTES, &self.0.to_encoded_point(true).to_bytes()].concat();
-        Ok(format!("did:key:z{}", bs58::encode(bytes).into_string()))
-    }
-
-    async fn sign(&self, payload: &[u8]) -> Result<Vec<u8>> {
-        match self.1 {
-            Some(ref private_key) => {
-                let signature = private_key.sign(payload);
-                Ok(signature.to_vec())
-            }
-            None => Err(anyhow!("No private key; cannot sign data")),
-        }
-    }
-
-    async fn verify(&self, payload: &[u8], signature: &[u8]) -> Result<()> {
-        let signature = Signature::try_from(signature)?;
-        self.0
-            .verify(payload, &signature)
-            .map_err(|error| anyhow!("Could not verify signature: {:?}", error))
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::{P256KeyMaterial, Result, P256_MAGIC_BYTES};
-    use p256::ecdsa::{SigningKey as P256PrivateKey, VerifyingKey as P256PublicKey};
-    use ucan::{
-        builder::UcanBuilder,
-        crypto::{did::DidParser, KeyMaterial},
-        ucan::Ucan,
-    };
-
-    pub fn bytes_to_p256_key(bytes: Vec<u8>) -> Result<Box<dyn KeyMaterial>> {
-        let public_key = P256PublicKey::try_from(bytes.as_slice())?;
-        Ok(Box::new(P256KeyMaterial(public_key, None)))
-    }
-
-    #[cfg_attr(not(target_arch = "wasm32"), tokio::test)]
-    async fn it_can_sign_and_verify_a_ucan() {
-        let private_key = P256PrivateKey::random(&mut p256::elliptic_curve::rand_core::OsRng);
-        let public_key = P256PublicKey::from(&private_key);
-
-        let key_material = P256KeyMaterial(public_key, Some(private_key));
-        let token_string = UcanBuilder::default()
-            .issued_by(&key_material)
-            .for_audience(key_material.get_did().await.unwrap().as_str())
-            .with_lifetime(60)
-            .build()
-            .unwrap()
-            .sign()
-            .await
-            .unwrap()
-            .encode()
-            .unwrap();
-
-        let mut did_parser = DidParser::new(&[(P256_MAGIC_BYTES, bytes_to_p256_key)]);
-
-        let ucan = Ucan::try_from_token_string(&token_string).unwrap();
-        ucan.check_signature(&mut did_parser).await.unwrap();
-    }
-}